UNIVERSITY OF CALIFORNIA PUBLICATIONS 



Note. — Tlie University of California Publications are offered in exchange for the publi- 

 cations of learned societies and institutions, universities and libraries. Complete lists of 

 all the publications of the University will be sent upon request. For sample copies, lists of 

 publications and other information, address the Manager of the University Press, Berkeley, 

 California, U. S. A. All matter sent in exchange should be addressed to The Exchange 

 Department, University Library, Berkeley, California, U. S. A. 



AGRICULTURAL SCIENCE3.— Charles B. Lipman, Ernest B. Babcock, and John W. 

 Gilmore, Editors. Price per volume, $5. 

 Vol. 1. 1. The Distribution and Activities of Bacteria in Soils of the Arid 



Region, by Charles B. Lipman. Pp. 1-21. October, 1912 „ $0.20 



2. Studies on the Phenoldisulphonic Acid Method for Determining Nitrates 



in Soils, by C. B. Lipman and L. T. Sharp. Pp. 23-37. October, 1912. .15 

 S. The Effects of Calcium and Magnesium Carbonates on Some Biological 

 Transformations of Nitrogen in Soils, by W. P. Kelley. Pp. 39-49. 

 December, 1912 ~ - ~- 10 



4. The Aluminum Reduction Method as Applied to the Determination of 



Nitrates in "Alkali" Soils, by Paul S. Burgess. Pp. 51-62. May, 

 1913 - - ~ 15 



5. Studies Upon Influences Affecting the Protein Content of Wheat, by G. 



W. Shaw. Pp. 63-126. October, 1913 ._ „ . _ .75 



6. The Effect of Copper, Zinc, Iron and Lead Salts on Ammonification and 



Nitrification in Soils, by C. B. Lipman and P. S. Burgess. Pp. 127- 



139. March, 1914 . 15 



7. Studies on Ammonification in Soils by Pure Cultures, by C. B. Lipman 



and P. S. Burgess. Pp. 141-172. April, 1914 25 



8. Humus and Humus-Nitrogen in California Soil Columns, by R. H. 



Loughridge. Pp. 173-274. August, 1914 1.00 



9. New Experiments on Alkali Soil Treatment (Preliminary Report), by 



Charles B. Lipman and Leslie T. Sharp. Pp. 275-290, plates 1-4. 

 June, 1915 ~~ ~» .15 



10. Fundamental Interrelationships between Certain Soluble Salts and Soil 



Colloids, by L. T. Sharp. Pp. 291-339. April, 1916 .50 



11. Influence of the Composition and Concentration of the Nutrient Solu- 



tion on Plants Grown in Sand Cultures, by Arthur Hugo Ayres. Pp. 

 341-394, pis. 5-15. January, 1917 ...„ . 60 



12. Certain Effects under Irrigation of Copper Compounds upon Crops, by 



R. H. Forbes. Pp. 395-494, plates 6-9. April, 1917 _ 1.00 



13. Experiments on the Effects of Constituents of Solid Smelter Wastes on 



Barley Growth in Pot Cultures, by C. B. Lipman and W. F. Gericke. 



Pp. 495-587. March, 1917 . ., 95 



Vol. 2. 1. Studies in Juglans I. Study of a New Form of Juglans Calif ornica 

 Watson,- by Ernest B. Babcock. Pp. 1-46, plates 1-12. December, 

 1913 .60 



2. Studies in Juglans II. Further Observations on a New Variety of 



Juglans Calif ornica Watson and on Certain Supposed Walnut-Oak 

 Hybrids, by Ernest B. Babcock. Pp. 47-70, plates 13-19. October, 

 1914 „ :..... 85 



3. Studies in Juglans, TJI: (1) Further Evidence that the Oak-like Walnut 



Originates by Mutation, by Ernest B. Babcock. Pp. 71-80, pis. 20-21. 



September, 1916 _ 10 



Vol. 3. 1. New Grasses for California, I, Phalaris stenoptera Hack., by P. B. Ken- 

 nedy. Pp. 1-24, plates 1-8. July, 1917 „.".: , . 30 



AGRICULTURE. — The Publications of the Agricultural Experiment Station consist of Bul- 

 letins and Biennial Reports, edited by Professor Thomas Forsyth Hunt, 

 Director of the Station. These are sent gratis to citizens of the State of 

 California. For detailed information regarding them address The Agri- 

 cultural Experiment Station, Berkeley, California. 



BOTANY.— W. A. Setchell, Editor. Price per volume, $3.50. Volumes I (pp. 418), II (pp. 

 360), III (pp. 400), and IV (pp. 397) completed. Volumes V, VI, and VTI 



in progress. 



Vol. 8. 1. Compositae of Southern California, by Harvey Monroe Hall. Pp. 1- 



302; plates 1-3, with a map. December, 1907 3.00 



2. The Origin, Structure, and Function of the Polar Caps in Smiiacina 



amplexicaulis Nutt., by H. D. Densmore. Pp. 803-330; plates 4-8. 

 December, 1908 „ 35 



3, 4. (In one cover.) The Value of Sodium to Plants by Reason of Its 



Protective Action. On the Effects of Certain Poisonous Gases on 

 Plants. By W. J. V. Osterhout. Pp. 331-340. June, 1908 „ 10 



